Commit 8fd5eda4 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm/huge_memory.c: remove unnecessary local variable ret2 

There is no need to use a new local variable ret2 to get the return
value of handle_userfault().  Use ret directly to make code more
succinct.

Link: https://lkml.kernel.org/r/20210210072409.60587-1-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 74e579bf

mm/huge_memory.c

+3 −5
Original line number Diff line number Diff line
@@ -624,14 +624,12 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf, 


		/* Deliver the page fault to userland */

		if (userfaultfd_missing(vma)) {

			vm_fault_t ret2;



			spin_unlock(vmf->ptl);

			put_page(page);

			pte_free(vma->vm_mm, pgtable);

			ret2 = handle_userfault(vmf, VM_UFFD_MISSING);

			VM_BUG_ON(ret2 & VM_FAULT_FALLBACK);

			return ret2;

			ret = handle_userfault(vmf, VM_UFFD_MISSING);

			VM_BUG_ON(ret & VM_FAULT_FALLBACK);

			return ret;

		}



		entry = mk_huge_pmd(page, vma->vm_page_prot);